Latest Wipro Aptitude Question SOLUTION: A worm is at the bottom of a forty foot hole. It can crawl upwards at the rate of four feet in one day, but at night, it slips back three feet. At this rate, how long will it take

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(#M40025685) WIPRO Numerical Ability question Keep an EYE

A worm is at the bottom of a forty foot hole. It can crawl upwards at the rate of four feet in one day, but at night, it slips back three feet. At this rate, how long will it take the worm to crawl out of the hole?
(a) 29 days (b) 37 days (c) 35 days (d) 39 days

Asked In Wipro shiny (10 years ago)

Unsolved Read Solution (5)

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Read Solution (5) :

Pradeep  (10 years ago)

ans b. 37 days
for each day worm climp only 1 (4-3)foot. after 36 days worm raech the 37 foot . exactly the 37th day worm reach 40 foot.

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praveen sb  (10 years ago)

B. 37days is the answer

Is this solution Helpfull? Yes (4) | No (1)  

Ayushi  (10 years ago)

37 days
as each day he cover 1 feet so on 37th day he will be out of the hole

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shiny  (10 years ago)

could you plz explain? @praveen

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rahul  (8 years ago)

worm climbs 4 feet in one day and slips 3 feet in night means
in one day it climbs 1 feet.
(4-3)=1 feet.

1 day it climbs =1 feet
2 day it climbs=2 feet
3 day it climbs=3 feet
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37 day in first chance it climbs 36feet +4 feet=40feet

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